/*
*  Copyright 2019-2020 Zheng Jie
*
*  Licensed under the Apache License, Version 2.0 (the "License");
*  you may not use this file except in compliance with the License.
*  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
*  Unless required by applicable law or agreed to in writing, software
*  distributed under the License is distributed on an "AS IS" BASIS,
*  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*  See the License for the specific language governing permissions and
*  limitations under the License.
*/
package me.zhengjie.business.service.impl;

import me.zhengjie.business.domain.FixedCosts;
import me.zhengjie.exception.BadRequestException;
import me.zhengjie.utils.ValidationUtil;
import me.zhengjie.utils.FileUtil;
import lombok.RequiredArgsConstructor;
import me.zhengjie.business.repository.FixedCostsRepository;
import me.zhengjie.business.service.FixedCostsService;
import me.zhengjie.business.service.dto.FixedCostsDto;
import me.zhengjie.business.service.dto.FixedCostsQueryCriteria;
import me.zhengjie.business.service.mapstruct.FixedCostsMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import cn.hutool.core.util.IdUtil;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import me.zhengjie.utils.PageUtil;
import me.zhengjie.utils.QueryHelp;

import java.math.BigDecimal;
import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @website https://el-admin.vip
* @description 服务实现
* @author xiahongbo
* @date 2022-08-10
**/
@Service
@RequiredArgsConstructor
public class FixedCostsServiceImpl implements FixedCostsService {

    private final FixedCostsRepository fixedCostsRepository;
    private final FixedCostsMapper fixedCostsMapper;

    @Override
    public Map<String,Object> queryAll(FixedCostsQueryCriteria criteria, Pageable pageable){
        Page<FixedCosts> page = fixedCostsRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder),pageable);
        return PageUtil.toPage(page.map(fixedCostsMapper::toDto));
    }

    @Override
    public List<FixedCostsDto> queryAll(FixedCostsQueryCriteria criteria){
        return fixedCostsMapper.toDto(fixedCostsRepository.findAll((root, criteriaQuery, criteriaBuilder) -> QueryHelp.getPredicate(root,criteria,criteriaBuilder)));
    }

    @Override
    @Transactional
    public FixedCostsDto findById(String bisFixedCostsId) {
        FixedCosts fixedCosts = fixedCostsRepository.findById(bisFixedCostsId).orElseGet(FixedCosts::new);
        ValidationUtil.isNull(fixedCosts.getBisFixedCostsId(),"FixedCosts","bisFixedCostsId",bisFixedCostsId);
        return fixedCostsMapper.toDto(fixedCosts);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public FixedCostsDto create(FixedCosts resources) {

        FixedCosts isExist = fixedCostsRepository.queryByBisFixedCostsJzidAndBisFixedCostsZhidAndBisFixedCostsYpbm
                (resources.getBisFixedCostsJzid(), resources.getBisFixedCostsZhid(), resources.getBisFixedCostsYpbm());
        if(isExist != null) {
            throw new BadRequestException("固费中已经存在["+resources.getBisFixedCostsMc()+"]");
        }

        BigDecimal djBigDecimal = resources.getBisFixedCostsDj();
        BigDecimal slBigDecimal = new BigDecimal(resources.getBisFixedCostsSl());
        BigDecimal zjBigDecimal = djBigDecimal.multiply(slBigDecimal);

        resources.setBisFixedCostsId(IdUtil.simpleUUID());
        resources.setBisFixedCostsZj(zjBigDecimal);
        return fixedCostsMapper.toDto(fixedCostsRepository.save(resources));
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(FixedCosts resources) {
        FixedCosts fixedCosts = fixedCostsRepository.findById(resources.getBisFixedCostsId()).orElseGet(FixedCosts::new);
        ValidationUtil.isNull( fixedCosts.getBisFixedCostsId(),"FixedCosts","id",resources.getBisFixedCostsId());

        BigDecimal djBigDecimal = resources.getBisFixedCostsDj();
        BigDecimal slBigDecimal = new BigDecimal(resources.getBisFixedCostsSl());
        BigDecimal zjBigDecimal = djBigDecimal.multiply(slBigDecimal);

        resources.setBisFixedCostsZj(zjBigDecimal);

        fixedCosts.copy(resources);
        fixedCostsRepository.save(fixedCosts);
    }

    @Override
    public void deleteAll(String[] ids) {
        for (String bisFixedCostsId : ids) {
            fixedCostsRepository.deleteById(bisFixedCostsId);
        }
    }

    @Override
    public void download(List<FixedCostsDto> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (FixedCostsDto fixedCosts : all) {
            Map<String,Object> map = new LinkedHashMap<>();
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }
}